Class 9

Class 9, Class 09 and Class IX may refer to:

• BR Standard Class 9F, a steam locomotive class of the United Kingdom
• BR Standard Class 9F 92020-9
• British Rail Class 09, a diesel locomotive class of the United Kingdom
• Eurotunnel Class 9, an electric class locomotive
• G&SWR 9 Class
• GCR Class 9A
• GCR Class 9D
• GCR Class 9F, a steam locomotive class of the United Kingdom
• GCR Class 9J
• GCR Class 9K
• GCR Class 9N, a steam locomotive class of the United Kingdom
• GCR Class 9Q
• GCR Class 9P
• GNR Class J9
• HAZMAT Class 9 Miscellaneous, a category of hazardous material
• I-9-class submarine
• Indian locomotive class WAG-9
• LSWR F9 class
• LSWR T9 class
• MGWR Class 9
• NSB Class 9, a standard-gauge steam locomotive class of Norway
• NSB Class IX, a narrow-gauge steam locomotive class of Norway
• NSB El 9, an electric locomotive class of Norway
• O 9-class submarine
• PGM-9-class motor gunboat
• Prussian T 9
• Southern Pacific class AC-9
• Class IX (U.S. Army), Repair parts and components, including kits, assemblies and subassemblies, repairable and unrepairable, required for maintenance support of all equipment

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